drm/amdgpu: use kernel fence interface when possible
drm/amdgpu: use kernel fence interface when possible

Signed-off-by: monk.liu <f0dcd2918cf36bae5755fd56cd0eda1b82813c07@amd.com>
Reviewed-by: Christian König <c7ea837d7a46effe4232b086213468b8b31643bf@amd.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs